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Round Head LED — 3mm & 5mm (Red / Green / Yellow / Mix) - RS041
Round Head LED — 3mm & 5mm (Red / Green / Yellow / Mix) - RS041
SKU:RS041
In stock
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Delivery Time
Delivery Time
- Delivery time with the Express Shipping option is 2-3 working days, and with the Standard Shipping option is 5-6 working days. It varies based on location, reliant on courier services.
- Delivery time if the order item is on Preorder Status is 15-20 working days.
COD (Cash on Delivery)
COD (Cash on Delivery)
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The REES52 Promise
The REES52 Promise
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Description:
High-clarity round-head indicator LEDs — choose 3mm or 5mm diameter in Red, Green, Yellow or mixed-color packs. These standard through-hole LEDs are manufactured to industry specs and commonly used for panel indicators, status lights, DIY electronics, Arduino/ESP projects and educational kits.
Specifications:
- Package: Round through-hole, 3mm (T-1) or 5mm (T-1¾).
- Nominal forward current (IF): 20 mA (standard test/current rating; some low-current variants rated lower).
- Absolute max forward current: typically 30–50 mA for general LEDs (pulse ratings higher).
-
Forward voltage (VF) typical:
- Red: ~1.8–2.2 V.
- Yellow: ~2.0–2.4 V.
- Green: ~2.0–3.0 V (depends on GaP/AlInGaP vs GaN tech); many green AlInGaP LEDs ~2.0–2.4 V.
-
Peak wavelength (λp) (typical):
- Red: ~612–630 nm.
- Yellow: ~580–595 nm.
- Green: ~562–575 nm (depending on LED chemistry).
- Luminous intensity: manufacturer-specified groups (mcd) — ranges from a few mcd to several thousand mcd depending on “standard” vs “high-intensity” variants. Example: 5 mm high-intensity types can list 1000–5000 mcd.
- Viewing angle: typical options from ~18° (narrow) up to 60° (diffused) depending on lens type.
- Reverse voltage (VR): typically around 4–5 V
- Operating temperature: typically −40°C to +85°C or manufacturer-specified range.
Why choose these LEDs:
- Standard T-1 (3mm) and T-1¾ (5mm) packages for compatibility with breadboards and PCB mount holes.
- Typical forward current 20 mA (operate at ≤20 mA for long life; many low-current variants exist).
- Typical forward voltage varies by color (see technical specs below).
Applications:
- Panel indicators, status LEDs, hobbyist and educational electronics, prototyping, indicator lamps for appliances, and LED arrays.
Features:
- Available in 3mm (T-1) and 5mm (T-1¾) round packages.
- Colors: Red, Green, Yellow, or Mixed packs (choose per-LED color or mixed set).
- Typical forward current: 20 mA (many data sheets specify 20 mA as standard test current).
- Typical forward voltage: ~1.8–2.4 V depending on color (see specs).
- Viewing angle: varies by model — common ranges: ~20° (narrow), 25°–30° (standard narrow), up to 60° (diffused).
- Long lifetime and stable color over usual operating conditions.
Package Included:
- 10 × Round Head LEDs (Choose color: Red / Green / Yellow) — in selected size (3mm or 5mm)